chore(@clack/prompts): update readme (#162)

Author: natemoo-re

packages/prompts/README.md

@@ -34,7 +34,9 @@ The `isCancel` function is a guard that detects when a user cancels a question w
 ```js
 import { isCancel, cancel, text } from '@clack/prompts';
 
-const value = await text(/* TODO */);
+const value = await text({
+	message: 'What is the meaning of life?',
+});
 
 if (isCancel(value)) {
   cancel('Operation cancelled.');